Writing instrument



FIG. 1 is a front elevational view of a writing instrument according to the present invention;

FIG. 2 is a right side elevational view of the writing instrument of FIG. 1, the left side being a mirror image of the right side;

FIG. 3 is a rear elevational view of the writing instrument of FIG. 1;

FIG. 4 is a top plan view of the writing instrument of FIG. 1;

FIG. 5 is a bottom plan view of the writing instrument of FIG. 1; and,

FIG. 6 is a front perspective view of the writing instrument of FIG. 1, with the writing tip of the writing instrument being projected outward and with the eraser member being extended. 

The ornamental design for a writing instrument, as shown and described. 